Merge pull request #1759 from Thunderforge/refactor-launcher-sdl

Refactor SDL loading in Launcher to fix macOS errors

CHANGELOG.md

@@ -5,12 +5,14 @@
     Bug #2222: Fatigue's effect on selling price is backwards
     Bug #2326: After a bound item expires the last equipped item of that type is not automatically re-equipped
     Bug #2835: Player able to slowly move when overencumbered
+    Bug #2862: [macOS] Can't quit launcher using Command-Q or OpenMW->Quit
     Bug #2971: Compiler did not reject lines with naked expressions beginning with x.y
     Bug #3374: Touch spells not hitting kwama foragers
     Bug #3591: Angled hit distance too low
     Bug #3629: DB assassin attack never triggers creature spawning
     Bug #3876: Landscape texture painting is misaligned
     Bug #3897: Have Goodbye give all choices the effects of Goodbye
+    Bug #3911: [macOS] Typing in the "Content List name" dialog box produces double characters
     Bug #3993: Terrain texture blending map is not upscaled
     Bug #3997: Almalexia doesn't pace
     Bug #4036: Weird behaviour of AI packages if package target has non-unique ID

apps/launcher/graphicspage.cpp

@@ -1,6 +1,7 @@
 #include "graphicspage.hpp"
 
 #include <boost/math/common_factor.hpp>
+#include <csignal>
 #include <QDesktopWidget>
 #include <QMessageBox>
 #include <QDir>
@@ -11,6 +12,7 @@
 #define MAC_OS_X_VERSION_MIN_REQUIRED __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__
 #endif // MAC_OS_X_VERSION_MIN_REQUIRED
 
+#include <SDL.h>
 #include <SDL_video.h>
 
 #include <components/files/configurationmanager.hpp>
@@ -46,8 +48,28 @@ Launcher::GraphicsPage::GraphicsPage(Files::ConfigurationManager &cfg, Settings:
 
 }
 
+bool Launcher::GraphicsPage::connectToSdl() {
+    SDL_SetHint(SDL_HINT_RENDER_DRIVER, "software");
+    SDL_SetMainReady();
+    // Required for determining screen resolution and such on the Graphics tab
+    if (SDL_Init(SDL_INIT_VIDEO) != 0)
+    {
+        return false;
+    }
+    signal(SIGINT, SIG_DFL); // We don't want to use the SDL event loop in the launcher,
+    // so reset SIGINT which SDL wants to redirect to an SDL_Quit event.
+
+    return true;
+}
+
 bool Launcher::GraphicsPage::setupSDL()
 {
+    bool sdlConnectSuccessful = connectToSdl();
+    if (!sdlConnectSuccessful)
+    {
+        return false;
+    }
+
     int displays = SDL_GetNumVideoDisplays();
 
     if (displays < 0)
@@ -67,6 +89,9 @@ bool Launcher::GraphicsPage::setupSDL()
         screenComboBox->addItem(QString(tr("Screen ")) + QString::number(i + 1));
     }
 
+    // Disconnect from SDL processes
+    SDL_Quit();
+
     return true;
 }
 

apps/launcher/graphicspage.hpp

@@ -37,6 +37,11 @@ namespace Launcher
         QStringList getAvailableResolutions(int screen);
         QRect getMaximumResolution();
 
+        /**
+         * Connect to the SDL so that we can use it to determine graphics
+         * @return whether or not connecting to SDL is successful
+         */
+        bool connectToSdl();
         bool setupSDL();
     };
 }

apps/launcher/main.cpp

@@ -1,5 +1,4 @@
 #include <iostream>
-#include <csignal>
 
 #include <QApplication>
 #include <QTextCodec>
@@ -12,24 +11,12 @@
 #define MAC_OS_X_VERSION_MIN_REQUIRED __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__
 #endif // MAC_OS_X_VERSION_MIN_REQUIRED
 
-#include <SDL.h>
-
 #include "maindialog.hpp"
 
 int main(int argc, char *argv[])
 {
     try
     {
-        SDL_SetHint(SDL_HINT_RENDER_DRIVER, "software");
-        SDL_SetMainReady();
-        if (SDL_Init(SDL_INIT_VIDEO) != 0)
-        {
-            qDebug() << "SDL_Init failed: " << QString::fromUtf8(SDL_GetError());
-            return 0;
-        }
-        signal(SIGINT, SIG_DFL); // We don't want to use the SDL event loop in the launcher,
-                                 // so reset SIGINT which SDL wants to redirect to an SDL_Quit event.
-
         QApplication app(argc, argv);
 
         // Now we make sure the current dir is set to application path
@@ -46,13 +33,11 @@ int main(int argc, char *argv[])
         if (result == Launcher::FirstRunDialogResultContinue)
             mainWin.show();
 
-        int returnValue = app.exec();
-        SDL_Quit();
-        return returnValue;
+        return app.exec();
     }
     catch (std::exception& e)
     {
         std::cerr << "ERROR: " << e.what() << std::endl;
         return 0;
     }
-}
+}